3820197 has 8 divisors (see below), whose sum is σ = 5361760. Its totient is φ = 2412720.

The previous prime is 3820181. The next prime is 3820237. The reversal of 3820197 is 7910283.

It is a happy number.

3820197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3820197 - 2⁴ = 3820181 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33454 + ... + 33567.

It is an arithmetic number, because the mean of its divisors is an integer number (670220).

Almost surely, 2^3820197 is an apocalyptic number.

It is an amenable number.

3820197 is a deficient number, since it is larger than the sum of its proper divisors (1541563).

3820197 is a wasteful number, since it uses less digits than its factorization.

3820197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67043.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 3820197 is about 1954.5324249037. The cubic root of 3820197 is about 156.3250536494.

The spelling of 3820197 in words is "three million, eight hundred twenty thousand, one hundred ninety-seven".